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the ac/heat has setting 1-5 but on my grand am only 4 and 5 work i get no ac/heat in 1/2/3 can anyone give me ideas of were i could start to look for the problem? thanks in advance
well the number 5 speed is wired seperate from 1-4. basic rule of thumb if it works on 5 but nothing else usually a blower motor resistor. chances are even though it works on 4 as well its still the resistor. could be the motor it self, check for power and ground at the blower motor connector with ignition on and speed set to 1-4 seeing if there is power on each.
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